The amount of benzene present in pure Benzol is about _______________ percent ?
Correct answer: C. 70
- A. 30
- B. 50
- C. 70
- D. 90
Explanation
Commercial benzol is a light-oil fraction containing roughly 70% benzene, with the remainder mainly toluene, xylenes and other constituents. Thus 70% is the usual approximate value used in industrial-chemistry questions.
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